Tristin Rose Oconnor, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

30315 Issued in NV

Practice address

2375 E Prater Way
Sparks, NV 89434-9665

Phone

(775) 331-7000

NPI assigned

Mar 24, 2023

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Other names 1

• Tristin Rose Switzer Former name

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Medicine

Interoperability endpoints

• Direct secure messaging: tristin.switzer.1@17661.direct.athenahealth.com

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1679616000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789776000000",
    "number": "1841993177",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2375 E PRATER WAY",
            "city": "SPARKS",
            "state": "NV",
            "postal_code": "894349665",
            "telephone_number": "775-331-7000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2375 E PRATER WAY",
            "city": "SPARKS",
            "state": "NV",
            "postal_code": "894349665",
            "telephone_number": "775-331-7000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OCONNOR",
        "first_name": "TRISTIN",
        "middle_name": "ROSE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-03-24",
        "last_updated": "2026-09-19",
        "certification_date": "2026-09-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NV",
            "license": "30315",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "TRISTIN",
            "last_name": "SWITZER",
            "middle_name": "ROSE",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Michael Lynn O'Leary, RPH
• Hannah O'Neill, PT
• Timothy J O'Shea
• Pamela Obah, PHARMD
• Occupational Health Centers of the Southwest, P.a. (Concentra Medical Center)
• Andrea Oda
• Nathan Oda
• Daisy Ojeda
• Elizabeth Ojeda
• Todd Okazawa

• Internal Medicine Physician in Sparks, NV
• Providers in Sparks, NV by specialty
• Internal Medicine Physician in Nevada

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 19, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.